wp-includes/class-wp-duotone.php:1306Migrates the experimental duotone support flag to the stabilized location.
$settingsarray$metadataarrayarray public static function migrate_experimental_duotone_support_flag( $settings, $metadata ) { $duotone_support = isset( $metadata['supports']['color']['__experimentalDuotone'] ) ? $metadata['supports']['color']['__experimentalDuotone'] : null; if ( ! isset( $settings['supports']['filter']['duotone'] ) && null !== $duotone_support ) { _wp_array_set( $settings, array( 'supports', 'filter', 'duotone' ), (bool) $duotone_support ); } return $settings; }Introduced in 6.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-duotone.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.